Year	% (modeled ILO estimate)
1991	55.652345824470494
1992	55.64534674761295
1993	55.63165671853924
1994	55.102342982174044
1995	54.85122399855531
1996	53.90043072221437
1997	53.49025379953282
1998	52.940352925446255
1999	53.54978856039567
2000	52.06953076064968
2001	50.7804573468054
2002	50.47425301912043
2003	50.5365224020043
2004	50.4816519766144
2005	50.43929304766968
2006	49.829628102016514
2007	49.054763728118026
2008	48.83832276640695
2009	48.25807691269449
2010	47.87528634429316
2011	46.55786875313169
2012	46.48371332577117
2013	45.75253951634909
2014	44.86803667603609
2015	42.011710103084894
2016	41.597625771719535
2017	40.92463951003431
2018	40.26711476264088
2019	39.79164056190658
2020	38.20641874759912
2021	38.7810362347434
2022	38.797646476811146
2023	39.071285633844575